Home / 527,824,945.90-792,115,332.45-221,337,016.30

Finding the Fourth Proportional to 527,824,945.90, 792,115,332.45 and 221,337,016.30

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Solution

The fourth proportional to 527,824,945.90, 792,115,332.45 and 221,337,016.30 is: 332,163,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,824,945.90 : 792,115,332.45 = 221,337,016.30 : x
  2. Step 2: Convert to fraction form
    527,824,945.90/792,115,332.45 = 221,337,016.30/x
  3. Step 3: Cross multiply
    527,824,945.90x = 792,115,332.45 × 221,337,016.30
  4. Step 4: Simplify right side
    527,824,945.90x = 175,324,444,249,965,600
  5. Step 5: Solve for x
    x = 175,324,444,249,965,600/527,824,945.90
  6. Step 6: Final answer
    x = 332,163,997.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.